function beregnpris() {
	var postnr = document.prisberegnerform.pb_postnr.value;
	var antal = document.prisberegnerform.pb_antal.value;

	var type = 0;
	for( i = 0; i < document.prisberegnerform.pb_type.length; i++ )	{
		if ( document.prisberegnerform.pb_type[i].checked == true ) {
			var type = document.prisberegnerform.pb_type[i].value;
			break;
		}
	}



//	prisberegner_iframe.location.href = 'content/prisberegner.php?postnr=' + postnr + '&antal=' + antal + '&type=' + type;
	document.prisberegnerform.submit();
}